X^2/9=121

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Solution for X^2/9=121 equation: 


X in (-oo:+oo)

(X^2)/9 = 121 // - 121

(X^2)/9-121 = 0

1/9*X^2 = 121 // : 1/9

X^2 = 1089

X^2 = 1089 // ^ 1/2

abs(X) = 33

X = 33 or X = -33

X in { 33, -33 }

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